TY  - RPRT
TI  - Penetrator role in Mars sample strategy
AU  - Boynton, William
AU  - Dwornik, Steve
AU  - Eckstrom, William
AU  - Roalstad, David A.
PY  - 1988
UR  - https://ntrs.nasa.gov/citations/19890008941
ID  - 19890008941
ER  -